| Release Date | June 6, 1975 | |
|---|---|---|
| Status | Released | |
| Original Title | Тайна горного подземелья | |
| Runtime | 1h 17min | |
| Budget | — | |
| Revenue | — | |
| Language | Russian | |
| Original Language | Russian | |
| Production Countries | Soviet Union | |
| Production Companies | Gorky Film Studios | |
| Release Date | June 6, 1975 | |
|---|---|---|
| Status | Released | |
| Original Title | Тайна горного подземелья | |
| Runtime | 1h 17min | |
| Budget | — | |
| Revenue | — | |
| Language | Russian | |
| Original Language | Russian | |
| Production Countries | Soviet Union | |
| Production Companies | Gorky Film Studios | |